@article{ref1,
title="Riot-control agents: personal experience",
journal="British medical journal: BMJ",
year="1969",
author="McClean, R.",
volume="3",
number="5671",
pages="652-653",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}